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TR-I Vibration Transmitter

Explosion-proof vibration transmitter

The integrated transmitter TR-I measures the absolute vibrations of any rotating machine support and it is able to interface directly in 2 wires technique (current loop 4 ÷ 20 mA) to an acquisition system. The Signal is proportional to vibration velocity or acceleration.

TR-I-ATEX is made of a stainless steel body AISI 316L with machine connection thread and it is supplied with a die-casted aluminium case for the terminal board with ¾” NPT female thread.

The transmitter is certified for classified area:

II 2GD Ex d IIC T6 Gb Ex tb IIIC T85°C Db


Composition AISI 316L stainless steel body
Die-casted aluminium explosion case
Power supply 24 Vdc (10 ÷ 35 Vdc) current loop 4 ÷ 20 mA (2 wires)
External connections Terminal board
Environmental use field - 40°C ÷ + 70°C
Measure type Omnidirectional seismic (absolute vibration)
Dynamic field ± 18 g
Transverse sensitivity < 5 %
Linearity ± 2% - 75 Hz
Dynamic performances ±3% / 10Hz-1kHz
-3db / 1Hz – 2kHz
Insulation ≥108 Ω between signal and container
Application axis Any
Standard machine connection thread M8x1,25
Maintenance No maintenance is needed
Parameters to be defined when ordering Measuring field
Mounting torque Machine connection thread
Certification 5÷10 N-m
Ex II 2GD Ex d IIC T6 Gb Ex tb IIIC T85°C Db

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